Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8704976 | Liquid crystal display device and control method for a bistable nematic liquid crystal display having two stable textures comprising a uniform or slightly twisted state | Stephane Joly, Jean-Denis Laffitte | 2014-04-22 |
| 8405591 | Liquid crystal display device with improved switching means | Stephane Joly, Jean-Denis Laffitte | 2013-03-26 |
| 7864148 | Bistable nematic liquid crystal display device and method for controlling such a device | Alain Boissier, Jacques Angele, Francois Leblanc | 2011-01-04 |
| 7724221 | Bistable nematic liquid crystal display method and device | Jacques Angele, Romain Vercelletto | 2010-05-25 |
| 7616180 | Advanced method and device with a bistable nematic liquid crystal display | Jacques Angele, Stephane Joly, Jean-Denis Laffitte, Francois Leblanc, Christophe Body | 2009-11-10 |
| 7335405 | Nematic liquid crystal mixtures for use in bistable display devices | Jean-Claude Dubois, Didier Gallaire, Stephane Joly, Ivan Dozov, Daniel Stoenescu | 2008-02-26 |
| 7224417 | Nematic liquid crystal bistable display device with grey level | Jacques Angele, Ivan Dozov, Daniel Stoenescu, Romain Vercelletto | 2007-05-29 |
| 7115307 | Nematic liquid crystal mixtures for bistable display device | Jean-Claude Dubois, Didier Gallaire, Stephane Joly, Ivan Dozov, Daniel Stoenescu | 2006-10-03 |
| 7088413 | Bistable nematic liquid crystal display device with improved optical mask, having textures differing by about 180° twist, and off state in the liquid crystal covering the inter-electrode spaces | Alain Boissier, Jacques Angele, Bertrand Pecout, Ivan Dozov | 2006-08-08 |
| 7087270 | Method for producing a liquid crystal device with low zenithal anchoring energy, and resulting device | Sandrine Lamarque-Forget, Julien Roux, Ivan Dozov | 2006-08-08 |
| 6959124 | Liquid crystal-based electro-optical device forming, in particular, a switch | Alain Boissier, Jean-Francois Legay, Olivier Duhem | 2005-10-25 |
| 6831716 | Reflective bistable display device incorporating a liquid crystal material | Ivan Dozov, Daniel Stoenescu | 2004-12-14 |
| 6795146 | Bistable device for reflection display with inverse contrast | Ivan Dozov, Daniel Stoenescu | 2004-09-21 |
| 6452573 | Liquid crystal device comprising anchoring means on at least one confinement plate providing a degenerated orientation | Ivan Dozov, Eric Polossat, Eric Raspaud, Philippe Auroy, Olivier Ou Ramdane +2 more | 2002-09-17 |
| 6327017 | Bistable liquid crystal display device in which nematic liquid crystal has monostable anchorings | Ricardo Barberi, Ivan Dozov, Georges Durand, Maurizio Nobili, Eric Polossat +2 more | 2001-12-04 |
| 4775224 | Liquid crystal optical devices enabling high frequency ac excitation to be employed | Claude Germain, Marguerite Boix, Georges Durand, Mohamed Monkade | 1988-10-04 |
| 4564266 | Electro-optical devices using liquid crystals having a twist in a plane perpendicular to substrates | Georges Durand, Ivan Dozov | 1986-01-14 |